Patents by Inventor Laurence Everett Buckridge

Laurence Everett Buckridge has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical surge protection apparatus
    Patent number: 5838527
    Abstract: A surge protection apparatus (20) has a first quadrature coupler (22) with a first input (24) coupled to an electrical ground (26), and a second input (28) connected to an input signal. A second quadrature coupler (34) having a third input (32) is coupled to a first output (30) of the first quadrature coupler (22). A fourth input (38) is coupled to a second output (36) of the first quadrature coupler (22). A third output (40) is coupled to a signal port and a fourth output (42) is coupled to the electrical ground.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: November 17, 1998
    Inventors: Zachary Andrew Lawrence, Laurence Everett Buckridge